#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    float m1 = 3.0e-23;  // 1 m1 = 3.0e-23g/1
    float k1 = 950.0;   // 1 k1 = 950g/k1
    float water;
    printf("m1 = %.1e\n", m1);
    puts("Enter kuatuo nums: ");
    scanf("%f",&water);
    printf("(water * k1) / m1 = %e", (water * k1) / m1);
}